Changes in growth and diet of smallmouth bass following invasion of Lake Erie by the round goby

Crane, Derek P.; Einhouse, Donald W.

doi:10.1016/j.jglr.2015.12.005

Cited by 47 publications

(29 citation statements)

References 40 publications

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“…The Brody growth coefficient (k) computed for largemouth bass with elevated PCB concentrations in the Housatonic River (Reiser et al 2004) was similar (0.25) to the growth coefficients we computed from our 1 control and 2 PCB‐contaminated sites (range 0.26–0.29). In Lake Erie, Brody growth coefficients (k) for smallmouth bass aged with otoliths ranged from 0.26 to 0.28 (Crane and Einhouse ), similar to the growth coefficients we computed for this species at the 2 PCB sites (k = 0.24–0.28). Growth of yellow perch and brown bullhead did not vary between pools.…”

Section: Discussionsupporting

confidence: 75%

The relation between polychlorinated biphenyls and population metrics of 4 species of fish from the upper Hudson River, New York, USA

Maceina¹,

Sammons²

2019

Enviro Toxic and Chemistry

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In the upper Hudson River, New York, USA, fish were exposed to polychlorinated biphenyls (PCBs) from the 1940s to 1977, and PCBs still persist in this environment. Yellow perch (Perca flavescens), brown bullhead (Ameiurus nebulosus), smallmouth bass (Micropterus dolomieu), and largemouth bass (M. salmoides) were collected annually from 2003 to 2009 from 1 control site upstream of the PCB discharge locations and from 2 sites downstream from where PCBs were released. Fish PCB concentrations were estimated, and 3 population metrics were examined: 1) relative abundance, 2) weight-to-length ratio, and 3) growth. Normalized lipid-based PCB concentrations at the 2 PCB exposure pools averaged approximately 100 to 600 mg/g. Estimated relative abundances with electrofishing were higher for largemouth bass, smallmouth bass, and brown bullhead at PCB exposure sites compared to the control site; but yellow perch were more abundant at the control site. Weight to length ratios varied among sites and species, but no consistent pattern was evident in relation to PCBs at the population level or for individual fish. Growth rates for yellow perch and brown bullhead were similar among sites. Largemouth bass growth was slightly higher at the control site compared to the 2 PCB sites, but smallmouth bass growth was much higher at the PCB sites compared to the control site. We could not detect any relation or influence of PCBs on the 3 population metrics that we examined. the present results corroborated those of previous investigations concerning the effects of PCBs on fishes. We recommend stronger consideration of the biological impacts of PCBs at the population level when conducting risk assessments.

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Section: Discussionsupporting

confidence: 75%

The relation between polychlorinated biphenyls and population metrics of 4 species of fish from the upper Hudson River, New York, USA

Maceina¹,

Sammons²

2019

Enviro Toxic and Chemistry

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“…The GL have undergone significant changes in trophic structure over the past decade with the introduction of invasive species, i.e. round goby and dreissenid mussels (Cornwell et al, 2015;Crane and Einhouse, 2016;Lepak et al, 2015;Warner and Lesht, 2015). These changes may have affected the extent of PBT bioaccumulation and resulting trends in top predator fish.…”

Section: Introductionmentioning

confidence: 99%

Polychlorinated biphenyls and organochlorine pesticides concentration patterns and trends in top predator fish of Laurentian Great Lakes from 1999 to 2014

Zhou

Pagano

Crimmins

et al. 2018

Journal of Great Lakes Research

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Concentration patterns and temporal trends of legacy persistent, bioaccumulative and toxic (PBT) contaminants were determined using the Great Lake Fish Monitoring and Surveillance Program (GLFMSP) top predator fish data from 1999 to 2014 and applying Kendall-Theil robust regression after cluster-based age normalization. For most Great Lakes sites, significant decreasing concentration trends ranging from −4.1% to −21.6% per year (with the only exception being mirex in Lake Erie walleye) were found for PBTs including polychlorinated biphenyls (PCBs), dichlorodiphenyl-trichlorethane (DDTs), dieldrin, endrin, chlordane, oxychlordane, nonachlor, mirex, and hexachlorobenzene (HCB) reflecting the successful historical and ongoing reduction of fugitive releases and remediation efforts in the U.S. and Canada including physical removal (dredging) coupled with sediment sequestration. Generally, lower concentrations and faster decreasing trends are observed in western/northern sampling sites compared to eastern/southern sites as the former sites are generally more remote from population centers and industrial activities. PCBs, which can be released from ongoing sources, have the highest concentration, the second slowest decreasing trend, and increasing mass fractions of the contaminants studied suggesting that they will continue to be the legacy contaminant of greatest concern into the future.

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“…Furthermore, the successful management of walleye led to the recovery of this large‐bodied top predator (Hatch et al., 1987; Vandergoot et al., 2010). Finally, numerous invasive species established large populations in the lake (Mills et al., 1993; Ricciardi & MacIsaac, 2000), including filter‐feeding dreissenid mussels (Griffiths et al., 1991), the benthic‐feeding round goby ( Neogobius melanostomus ; Charlebois et al., 2001), and predatory white perch ( Morone americana ; Stapanian et al., 2007), all of which have altered ecosystem processes and food web dynamics (Crane & Einhouse, 2016; Hecky et al., 2004; Johnson et al., 2005; Vanderploeg et al., 2001).…”

Section: Methodsmentioning

confidence: 99%

Ecosystem change as a driver of fish recruitment dynamics: A case study of two Lake Erie yellow perch populations

et al. 2021

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Changes in growth and diet of smallmouth bass following invasion of Lake Erie by the round goby

Cited by 47 publications

References 40 publications

The relation between polychlorinated biphenyls and population metrics of 4 species of fish from the upper Hudson River, New York, USA

The relation between polychlorinated biphenyls and population metrics of 4 species of fish from the upper Hudson River, New York, USA

Polychlorinated biphenyls and organochlorine pesticides concentration patterns and trends in top predator fish of Laurentian Great Lakes from 1999 to 2014

Ecosystem change as a driver of fish recruitment dynamics: A case study of two Lake Erie yellow perch populations

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